's attempt at a violent video game law, the court had this to say, if these studies have been rejected by every court to consider them, and with good reason, they do not prove that violent video games cause minors to act aggressively. bonnie, a mother of two young children with her own concerns, also happens to run one of the most successful first person shooter games around, halo 4. what do you say to parents who worry that it's too violent, not good for the kids? >> what i recommend is, your kids are going to play games. play with them so that you can really be there to answer questions and help them through that. >> reporter: advice from an insider, whether you like it or not, kids are playing these games, and it's up to the parents to understand them. neal karlinsky, abc news, seattle. >>> and now to an extraordinary medical story, tonight one family is celebrating the holidays with a baby they thought would not be here. this is a medical miracle. involving an operation performed months before the child was even born. here's dr. richard besser. >> reporter: what you're seeing is a